diff --git a/components/table/Table.jsx b/components/table/Table.jsx
index 4e1bfde61a..0ecefa449c 100644
--- a/components/table/Table.jsx
+++ b/components/table/Table.jsx
@@ -58,6 +58,7 @@ export default class Table extends React.Component {
     indentSize: 20,
     onChange: noop,
     locale: {},
+    rowKey: 'key',
   }
 
   static contextTypes = {
@@ -486,10 +487,11 @@ export default class Table extends React.Component {
   }
 
   getRecordKey(record, index) {
-    if (this.props.rowKey) {
-      return this.props.rowKey(record, index);
+    const { rowKey } = this.props;
+    if (typeof rowKey === 'function') {
+      return rowKey(record, index);
     }
-    return record.key || index;
+    return record[rowKey] || index;
   }
 
   renderRowSelection() {